Rolls SX45 Stereo Crossover

Rolls SX45 - 2-Way Stereo Crossover with Mono Sub Output

Rolls SX45 - 2-Way Stereo Crossover with Mono Sub Output

B&H # ROSX45 MFR # SX45
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Rolls SX45 Stereo Crossover

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Rolls SX45 overview

  • 1Description

The SX45 from Rolls is a two-way frequency dividing device for small sound reinforcement applications. It features a 12dB per octave roll-off, a frequency dividing range of 50Hz to 2.5kHz and clip indication for proper level settings.

The compact size of the SX45 allows for easy mounting in any universal rack tray or install-cabinet, while the external power supply provides clean DC power to the unit for quiet operation. Controls for the SX45 include input level, variable frequency adjustment and high and low output level controls.

All connections are made via RCA phono jacks. The unit is Ideal for small installations such as nightclubs or restaurants, providing clean, high-impedance audio signals in a compact steel chassis.

Two-way crossover with mono sub output in highly compact form
12dB/octave filter rolloff
50Hz to 2.5kHz crossover range
Includes external power supply for low noise operation
UPC: 675889004502
In the Box
Rolls SX45 - 2-Way Stereo Crossover with Mono Sub Output
  • External Power Supply
  • One (1) Year Warranty to Original Purchaser
  • Table of Contents
    • 1Description

    Rolls SX45 specs

    Filter Type 12dB/octave rolloff
    Operating Modes Two-way with mono sub output
    Crossover Frequencies Variable 50Hz to 2.5kHz
    Gain Range Not specified by manufacturer
    Front Panel Switches No
    Inputs 2 x RCA phono
    Outputs 4 x RCA phono
    Maximum Input Level Not specified by manufacturer
    Maximum Output Level +10dBV
    Frequency Response Not specified by manufacturer
    Dynamic Range Not specified by manufacturer
    Noise Not specified by manufacturer
    Dimensions (WxDxH) 3 5/8" x 4 1/4" x 1 1/2" (92 x 108 x 38 mm)
    Weight 1.0 lb (0.45 kg)
    Specialties Compact and simple to operate
    Packaging Info
    Package Weight 1.15 lb
    Box Dimensions (LxWxH) 6.9 x 4.8 x 2.5"

    Rolls SX45 reviews

    SX45 Stereo Crossover is rated 4.4 out of 5 by 5.
    Rated 5 out of 5 by from Just the ticket! I bought the Rolls SX45 to separate my avr preamp output prior to bi-amping my speakers. That worked fine and I highly recommend it for anyone bi-amping on a budget.I had not intended to use the High Pass and Low Pass adjustments but have found them very useful and now just plug the phono pre-amp or DAC straight into SX45 and use it for volume adjustment when listening to music.I do not use a subwoofer so cannot comment on those outputs.My only gripe is not having a power button on the box - unplugging mains supply is a pest.
    Date published: 2016-02-11
    Rated 5 out of 5 by from Don't leave home without one The Rolls SX45 crossover is a must have unit for domestic and pro instalations. This unit will plug into your audio equipment and allow you to dial up and tailor a perfect crossover point and output levels. There is also a mono output for use with a single subwoofer. You can even use it in a good car hifi setup. Great Rolls sound using discreate electronics, damped level controls and metal enclosure. A quality product that will solve those sub sat problems at a tiny price. Keep one in your kit.
    Date published: 2012-10-14
    Rated 4 out of 5 by from Great, simple design and clean sound. I bought this to use on gigs for my portable organ. I play a lot of left hand bass lines and finding one amp the covers the organ's frequency range is difficult without hauling a full-size leslie. So the idea is two amps with the crossover splitting them. I have not used it in this application yet but it should work fine. I have been using it for my home stereo. Its nice to supplement a small pair of desk speakers with some real bass on the floor and this can essentially turn any sizable speaker into a subwoofer. It works great. I would have given it five stars except that the volume control for the low level only works on the stereo low outs and not on the mono low out. If i want more out of the low speaker I just turn down the highs and raise the input volume knob. Also, there is no on/off switch. Its just on once plugged in.
    Date published: 2013-05-11
    Rated 4 out of 5 by from Great cheap and effective bi-amp solution I'm using the ROLLS SX45 to split output from my pre-amp into mid/high, which then feeds back into my main power amp and runs some bookshelf speakers, and low, which I feed directly to my powered sub-woofer. Setup was super simple, I just needed some extra RCAs. Resulting sound now is super clear, crisp and with punchy bass. I can alter the cross-over point easily to suit the music I'm listening to and I'm also able to turn up the highs or lows, depending on if I want to annoy the neighbours with booming bass, or keep it quiet late at night. For Australian users - the powerpack supplied can easily be converted to fit AU power sockets by bending the pins with a pair of pliers (it's rated at 110-240v so no issue with voltage). My only gripe is that there is no power switch, so you need unplug it or switch off at power point. I've gotten around this by putting all of my stereo components on one power-board (pre-amp, power-amp, sub, crossover, turntable) and I can switch it all on/off at the wall. Easy.
    Date published: 2017-02-19
    Rated 4 out of 5 by from Great Compact Crossover This is a great, small, two channel crossover that I needed to split out the signal coming from my laptop to send the separate high and low inputs into my receiver and out to satellite and sub speakers. The frequency threshold and input/output level options are great!
    Date published: 2013-11-27
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